A solution of carbon tetrachloride and acetic acid CH3COOH that is 90.% carbon tetrachloride by mass is boiling at 81.8°C. The vapor is collected and cooled until it condenses to form a new solution Calculate the percent by mass of carbon tetrachloride in the new solution. Here's some data you may need:   normal boiling point density vapor pressure at 81.8°C carbon tetrachloride 77.°C 1.6gmL 873.torr acetic acid 118.°C 1.1gmL 362.torr Be sure your answer has 2 significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal.

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